annotate mercurial/win32.py @ 27015:341cb90ffd18

util: disable floating point stat times (issue4836) Alternate fix for this issue which avoids putting extra function calls and exception handling in the fast path. For almost all purposes, integer timestamps are preferable to Mercurial. It stores integer timestamps in the dirstate and would thus like to avoid doing any float/int comparisons or conversions. We will continue to have to deal with 1-second granularity on filesystems for quite some time, so this won't significantly hinder our capabilities. This has some impact on our file cache validation code in that it lowers timestamp resolution. But as we still have to deal with low-resolution filesystems, we're not relying on this anyway. An alternate approach is to use stat[ST_MTIME], which is guaranteed to be an integer. But since this support isn't already in our extension, we can't depend on it being available without adding a hard Python->C API dependency that's painful for people like yours truly who have bisect regularly and people without compilers.
author Matt Mackall <mpm@selenic.com>
date Thu, 19 Nov 2015 13:21:24 -0600
parents d6beeb618700
children 392633d7860e
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1 # win32.py - utility functions that use win32 API
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2 #
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import ctypes
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11 import errno
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12 import msvcrt
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13 import os
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14 import random
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15 import subprocess
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16
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17 _kernel32 = ctypes.windll.kernel32
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18 _advapi32 = ctypes.windll.advapi32
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19 _user32 = ctypes.windll.user32
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20
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21 _BOOL = ctypes.c_long
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22 _WORD = ctypes.c_ushort
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23 _DWORD = ctypes.c_ulong
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24 _UINT = ctypes.c_uint
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25 _LONG = ctypes.c_long
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26 _LPCSTR = _LPSTR = ctypes.c_char_p
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27 _HANDLE = ctypes.c_void_p
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28 _HWND = _HANDLE
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29
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30 _INVALID_HANDLE_VALUE = _HANDLE(-1).value
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31
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32 # GetLastError
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33 _ERROR_SUCCESS = 0
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34 _ERROR_NO_MORE_FILES = 18
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35 _ERROR_INVALID_PARAMETER = 87
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36 _ERROR_BROKEN_PIPE = 109
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37 _ERROR_INSUFFICIENT_BUFFER = 122
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38
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39 # WPARAM is defined as UINT_PTR (unsigned type)
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40 # LPARAM is defined as LONG_PTR (signed type)
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41 if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
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42 _WPARAM = ctypes.c_ulong
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43 _LPARAM = ctypes.c_long
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44 elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
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45 _WPARAM = ctypes.c_ulonglong
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46 _LPARAM = ctypes.c_longlong
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47
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48 class _FILETIME(ctypes.Structure):
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49 _fields_ = [('dwLowDateTime', _DWORD),
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50 ('dwHighDateTime', _DWORD)]
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51
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52 class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure):
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53 _fields_ = [('dwFileAttributes', _DWORD),
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54 ('ftCreationTime', _FILETIME),
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55 ('ftLastAccessTime', _FILETIME),
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56 ('ftLastWriteTime', _FILETIME),
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57 ('dwVolumeSerialNumber', _DWORD),
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58 ('nFileSizeHigh', _DWORD),
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59 ('nFileSizeLow', _DWORD),
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60 ('nNumberOfLinks', _DWORD),
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61 ('nFileIndexHigh', _DWORD),
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62 ('nFileIndexLow', _DWORD)]
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63
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64 # CreateFile
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65 _FILE_SHARE_READ = 0x00000001
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66 _FILE_SHARE_WRITE = 0x00000002
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67 _FILE_SHARE_DELETE = 0x00000004
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68
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69 _OPEN_EXISTING = 3
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70
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71 _FILE_FLAG_BACKUP_SEMANTICS = 0x02000000
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72
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73 # SetFileAttributes
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74 _FILE_ATTRIBUTE_NORMAL = 0x80
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75 _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000
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76
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77 # Process Security and Access Rights
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78 _PROCESS_QUERY_INFORMATION = 0x0400
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79
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80 # GetExitCodeProcess
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81 _STILL_ACTIVE = 259
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82
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83 class _STARTUPINFO(ctypes.Structure):
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84 _fields_ = [('cb', _DWORD),
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85 ('lpReserved', _LPSTR),
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86 ('lpDesktop', _LPSTR),
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87 ('lpTitle', _LPSTR),
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88 ('dwX', _DWORD),
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89 ('dwY', _DWORD),
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90 ('dwXSize', _DWORD),
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91 ('dwYSize', _DWORD),
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92 ('dwXCountChars', _DWORD),
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93 ('dwYCountChars', _DWORD),
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94 ('dwFillAttribute', _DWORD),
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95 ('dwFlags', _DWORD),
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96 ('wShowWindow', _WORD),
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97 ('cbReserved2', _WORD),
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98 ('lpReserved2', ctypes.c_char_p),
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99 ('hStdInput', _HANDLE),
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100 ('hStdOutput', _HANDLE),
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101 ('hStdError', _HANDLE)]
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102
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103 class _PROCESS_INFORMATION(ctypes.Structure):
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104 _fields_ = [('hProcess', _HANDLE),
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105 ('hThread', _HANDLE),
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106 ('dwProcessId', _DWORD),
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107 ('dwThreadId', _DWORD)]
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108
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109 _CREATE_NO_WINDOW = 0x08000000
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110 _SW_HIDE = 0
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111
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112 class _COORD(ctypes.Structure):
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113 _fields_ = [('X', ctypes.c_short),
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114 ('Y', ctypes.c_short)]
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115
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116 class _SMALL_RECT(ctypes.Structure):
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117 _fields_ = [('Left', ctypes.c_short),
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118 ('Top', ctypes.c_short),
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119 ('Right', ctypes.c_short),
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120 ('Bottom', ctypes.c_short)]
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121
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122 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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123 _fields_ = [('dwSize', _COORD),
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124 ('dwCursorPosition', _COORD),
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Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
125 ('wAttributes', _WORD),
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
126 ('srWindow', _SMALL_RECT),
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
127 ('dwMaximumWindowSize', _COORD)]
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
128
14344
e1db8a00188b win32.py: more explicit definition of _STD_ERROR_HANDLE
Adrian Buehlmann <adrian@cadifra.com>
parents: 14237
diff changeset
129 _STD_ERROR_HANDLE = _DWORD(-12).value
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
130
20425
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diff changeset
131 # CreateToolhelp32Snapshot, Process32First, Process32Next
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Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
132 _TH32CS_SNAPPROCESS = 0x00000002
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
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parents: 19159
diff changeset
133 _MAX_PATH = 260
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
134
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
135 class _tagPROCESSENTRY32(ctypes.Structure):
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
136 _fields_ = [('dwsize', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
137 ('cntUsage', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
138 ('th32ProcessID', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
139 ('th32DefaultHeapID', ctypes.c_void_p),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
140 ('th32ModuleID', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
141 ('cntThreads', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
142 ('th32ParentProcessID', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
143 ('pcPriClassBase', _LONG),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
144 ('dwFlags', _DWORD),
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
145 ('szExeFile', ctypes.c_char * _MAX_PATH)]
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
146
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
147 def __init__(self):
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
148 super(_tagPROCESSENTRY32, self).__init__()
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
149 self.dwsize = ctypes.sizeof(self)
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
150
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
151
14345
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Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
152 # types of parameters of C functions used (required by pypy)
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
153
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
154 _kernel32.CreateFileA.argtypes = [_LPCSTR, _DWORD, _DWORD, ctypes.c_void_p,
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
155 _DWORD, _DWORD, _HANDLE]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
156 _kernel32.CreateFileA.restype = _HANDLE
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
157
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
158 _kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
159 _kernel32.GetFileInformationByHandle.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
160
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
161 _kernel32.CloseHandle.argtypes = [_HANDLE]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
162 _kernel32.CloseHandle.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
163
15095
ec222a29bdf0 win32: quietly ignore missing CreateHardLinkA for Wine
Matt Mackall <mpm@selenic.com>
parents: 14345
diff changeset
164 try:
ec222a29bdf0 win32: quietly ignore missing CreateHardLinkA for Wine
Matt Mackall <mpm@selenic.com>
parents: 14345
diff changeset
165 _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p]
ec222a29bdf0 win32: quietly ignore missing CreateHardLinkA for Wine
Matt Mackall <mpm@selenic.com>
parents: 14345
diff changeset
166 _kernel32.CreateHardLinkA.restype = _BOOL
ec222a29bdf0 win32: quietly ignore missing CreateHardLinkA for Wine
Matt Mackall <mpm@selenic.com>
parents: 14345
diff changeset
167 except AttributeError:
ec222a29bdf0 win32: quietly ignore missing CreateHardLinkA for Wine
Matt Mackall <mpm@selenic.com>
parents: 14345
diff changeset
168 pass
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
169
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
170 _kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
171 _kernel32.SetFileAttributesA.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
172
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
173 _kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
174 _kernel32.OpenProcess.restype = _HANDLE
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
175
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
176 _kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
177 _kernel32.GetExitCodeProcess.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
178
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
179 _kernel32.GetLastError.argtypes = []
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
180 _kernel32.GetLastError.restype = _DWORD
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
181
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
182 _kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
183 _kernel32.GetModuleFileNameA.restype = _DWORD
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
184
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
185 _kernel32.CreateProcessA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p,
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
186 ctypes.c_void_p, _BOOL, _DWORD, ctypes.c_void_p, _LPCSTR, ctypes.c_void_p,
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
187 ctypes.c_void_p]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
188 _kernel32.CreateProcessA.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
189
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
190 _kernel32.ExitProcess.argtypes = [_UINT]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
191 _kernel32.ExitProcess.restype = None
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
192
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
193 _kernel32.GetCurrentProcessId.argtypes = []
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
194 _kernel32.GetCurrentProcessId.restype = _DWORD
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
195
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
196 _SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD)
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
197 _kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
198 _kernel32.SetConsoleCtrlHandler.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
199
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
200 _kernel32.GetStdHandle.argtypes = [_DWORD]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
201 _kernel32.GetStdHandle.restype = _HANDLE
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
202
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
203 _kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
204 _kernel32.GetConsoleScreenBufferInfo.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
205
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
206 _advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
207 _advapi32.GetUserNameA.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
208
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
209 _user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
210 _user32.GetWindowThreadProcessId.restype = _DWORD
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
211
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
212 _user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
213 _user32.ShowWindow.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
214
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
215 _WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM)
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
216 _user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM]
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
217 _user32.EnumWindows.restype = _BOOL
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
218
20425
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
219 _kernel32.CreateToolhelp32Snapshot.argtypes = [_DWORD, _DWORD]
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
220 _kernel32.CreateToolhelp32Snapshot.restype = _BOOL
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
221
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
222 _kernel32.PeekNamedPipe.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD,
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
223 ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p]
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
224 _kernel32.PeekNamedPipe.restype = _BOOL
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
225
20425
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
226 _kernel32.Process32First.argtypes = [_HANDLE, ctypes.c_void_p]
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
227 _kernel32.Process32First.restype = _BOOL
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
228
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
229 _kernel32.Process32Next.argtypes = [_HANDLE, ctypes.c_void_p]
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
230 _kernel32.Process32Next.restype = _BOOL
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
231
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
232 def _raiseoserror(name):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
233 err = ctypes.WinError()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
234 raise OSError(err.errno, '%s: %s' % (name, err.strerror))
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
235
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
236 def _getfileinfo(name):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
237 fh = _kernel32.CreateFileA(name, 0,
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
238 _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE,
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
239 None, _OPEN_EXISTING, _FILE_FLAG_BACKUP_SEMANTICS, None)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
240 if fh == _INVALID_HANDLE_VALUE:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
241 _raiseoserror(name)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
242 try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
243 fi = _BY_HANDLE_FILE_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
244 if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
245 _raiseoserror(name)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
246 return fi
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
247 finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
248 _kernel32.CloseHandle(fh)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
249
14235
b9e1b041744f rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14230
diff changeset
250 def oslink(src, dst):
13976
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
251 try:
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
252 if not _kernel32.CreateHardLinkA(dst, src, None):
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
253 _raiseoserror(src)
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
254 except AttributeError: # Wine doesn't support this function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
255 _raiseoserror(src)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
256
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
257 def nlinks(name):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
258 '''return number of hardlinks for the given file'''
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
259 return _getfileinfo(name).nNumberOfLinks
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
260
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
261 def samefile(path1, path2):
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
262 '''Returns whether path1 and path2 refer to the same file or directory.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
263 res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
264 res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
265 return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
266 and res1.nFileIndexHigh == res2.nFileIndexHigh
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
267 and res1.nFileIndexLow == res2.nFileIndexLow)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
268
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
269 def samedevice(path1, path2):
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
270 '''Returns whether path1 and path2 are on the same device.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
271 res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
272 res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
273 return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
274
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
275 def peekpipe(pipe):
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
276 handle = msvcrt.get_osfhandle(pipe.fileno())
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
277 avail = _DWORD()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
278
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
279 if not _kernel32.PeekNamedPipe(handle, None, 0, None, ctypes.byref(avail),
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
280 None):
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
281 err = _kernel32.GetLastError()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
282 if err == _ERROR_BROKEN_PIPE:
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
283 return 0
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
284 raise ctypes.WinError(err)
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
285
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
286 return avail.value
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
287
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
288 def testpid(pid):
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
289 '''return True if pid is still running or unable to
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
290 determine, False otherwise'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
291 h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
292 if h:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
293 try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
294 status = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
295 if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
296 return status.value == _STILL_ACTIVE
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
297 finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
298 _kernel32.CloseHandle(h)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
299 return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
300
14236
e949a008999d rename util.executable_path to executablepath
Adrian Buehlmann <adrian@cadifra.com>
parents: 14235
diff changeset
301 def executablepath():
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
302 '''return full path of hg.exe'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
303 size = 600
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
304 buf = ctypes.create_string_buffer(size + 1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
305 len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
306 if len == 0:
24494
f2b87f4856bf win32: add comment about WinError
Adrian Buehlmann <adrian@cadifra.com>
parents: 24418
diff changeset
307 raise ctypes.WinError() # Note: WinError is a function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
308 elif len == size:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
309 raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
310 return buf.value
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
311
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
312 def getuser():
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
313 '''return name of current user'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
314 size = _DWORD(300)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
315 buf = ctypes.create_string_buffer(size.value + 1)
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
316 if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)):
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
317 raise ctypes.WinError()
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
318 return buf.value
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
319
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
320 _signalhandler = []
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
321
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
322 def setsignalhandler():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
323 '''Register a termination handler for console events including
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
324 CTRL+C. python signal handlers do not work well with socket
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
325 operations.
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
326 '''
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
327 def handler(event):
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
328 _kernel32.ExitProcess(1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
329
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
330 if _signalhandler:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
331 return # already registered
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
332 h = _SIGNAL_HANDLER(handler)
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
333 _signalhandler.append(h) # needed to prevent garbage collection
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
334 if not _kernel32.SetConsoleCtrlHandler(h, True):
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
335 raise ctypes.WinError()
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
336
10240
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
337 def hidewindow():
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
338
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
339 def callback(hwnd, pid):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
340 wpid = _DWORD()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
341 _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
342 if pid == wpid.value:
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
343 _user32.ShowWindow(hwnd, _SW_HIDE)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
344 return False # stop enumerating windows
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
345 return True
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
346
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
347 pid = _kernel32.GetCurrentProcessId()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
348 _user32.EnumWindows(_WNDENUMPROC(callback), pid)
11012
81631f0cf13b win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10388
diff changeset
349
12689
c52c629ce19e termwidth: move to ui.ui from util
Augie Fackler <durin42@gmail.com>
parents: 12401
diff changeset
350 def termwidth():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
351 # cmd.exe does not handle CR like a unix console, the CR is
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
352 # counted in the line length. On 80 columns consoles, if 80
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
353 # characters are written, the following CR won't apply on the
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
354 # current line but on the new one. Keep room for it.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
355 width = 79
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
356 # Query stderr to avoid problems with redirections
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
357 screenbuf = _kernel32.GetStdHandle(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
358 _STD_ERROR_HANDLE) # don't close the handle returned
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
359 if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
360 return width
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
361 csbi = _CONSOLE_SCREEN_BUFFER_INFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
362 if not _kernel32.GetConsoleScreenBufferInfo(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
363 screenbuf, ctypes.byref(csbi)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
364 return width
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
365 width = csbi.srWindow.Right - csbi.srWindow.Left
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
366 return width
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
367
20425
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
368 def _1stchild(pid):
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
369 '''return the 1st found child of the given pid
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
370
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
371 None is returned when no child is found'''
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
372 pe = _tagPROCESSENTRY32()
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
373
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
374 # create handle to list all processes
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
375 ph = _kernel32.CreateToolhelp32Snapshot(_TH32CS_SNAPPROCESS, 0)
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
376 if ph == _INVALID_HANDLE_VALUE:
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
377 raise ctypes.WinError()
20425
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
378 try:
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
379 r = _kernel32.Process32First(ph, ctypes.byref(pe))
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
380 # loop over all processes
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
381 while r:
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
382 if pe.th32ParentProcessID == pid:
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
383 # return first child found
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
384 return pe.th32ProcessID
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
385 r = _kernel32.Process32Next(ph, ctypes.byref(pe))
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
386 finally:
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
387 _kernel32.CloseHandle(ph)
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
388 if _kernel32.GetLastError() != _ERROR_NO_MORE_FILES:
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
389 raise ctypes.WinError()
20425
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
390 return None # no child found
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
391
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
392 class _tochildpid(int): # pid is _DWORD, which always matches in an int
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
393 '''helper for spawndetached, returns the child pid on conversion to string
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
394
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
395 Does not resolve the child pid immediately because the child may not yet be
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
396 started.
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
397 '''
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
398 def childpid(self):
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
399 '''returns the child pid of the first found child of the process
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
400 with this pid'''
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
401 return _1stchild(self)
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
402 def __str__(self):
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
403 # run when the pid is written to the file
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
404 ppid = self.childpid()
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
405 if ppid is None:
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
406 # race, child has exited since check
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
407 # fall back to this pid. Its process will also have disappeared,
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
408 # raising the same error type later as when the child pid would
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
409 # be returned.
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
410 return " %d" % self
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
411 return str(ppid)
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
412
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
413 def spawndetached(args):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
414 # No standard library function really spawns a fully detached
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
415 # process under win32 because they allocate pipes or other objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
416 # to handle standard streams communications. Passing these objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
417 # to the child process requires handle inheritance to be enabled
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
418 # which makes really detached processes impossible.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
419 si = _STARTUPINFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
420 si.cb = ctypes.sizeof(_STARTUPINFO)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
421
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
422 pi = _PROCESS_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
423
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
424 env = ''
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
425 for k in os.environ:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
426 env += "%s=%s\0" % (k, os.environ[k])
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
427 if not env:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
428 env = '\0'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
429 env += '\0'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
430
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
431 args = subprocess.list2cmdline(args)
17428
72803c8edaa4 avoid using abbreviations that look like spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents: 17051
diff changeset
432 # Not running the command in shell mode makes Python 2.6 hang when
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
433 # writing to hgweb output socket.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
434 comspec = os.environ.get("COMSPEC", "cmd.exe")
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
435 args = comspec + " /c " + args
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
436
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
437 res = _kernel32.CreateProcessA(
17050
e780fb37168b win32: specify _CREATE_NO_WINDOW on spawndetached()
Adrian Buehlmann <adrian@cadifra.com>
parents: 17006
diff changeset
438 None, args, None, None, False, _CREATE_NO_WINDOW,
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
439 env, os.getcwd(), ctypes.byref(si), ctypes.byref(pi))
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
440 if not res:
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
441 raise ctypes.WinError()
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
442
20425
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
443 # _tochildpid because the process is the child of COMSPEC
ca6aa8362f33 win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents: 19159
diff changeset
444 return _tochildpid(pi.dwProcessId)
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
445
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
446 def unlink(f):
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
447 '''try to implement POSIX' unlink semantics on Windows'''
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
448
21226
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
449 if os.path.isdir(f):
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
450 # use EPERM because it is POSIX prescribed value, even though
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
451 # unlink(2) on directories returns EISDIR on Linux
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
452 raise IOError(errno.EPERM,
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
453 "Unlinking directory not permitted: '%s'" % f)
19159
1b329f8c7b24 windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18959
diff changeset
454
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
455 # POSIX allows to unlink and rename open files. Windows has serious
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
456 # problems with doing that:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
457 # - Calling os.unlink (or os.rename) on a file f fails if f or any
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
458 # hardlinked copy of f has been opened with Python's open(). There is no
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
459 # way such a file can be deleted or renamed on Windows (other than
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
460 # scheduling the delete or rename for the next reboot).
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
461 # - Calling os.unlink on a file that has been opened with Mercurial's
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
462 # posixfile (or comparable methods) will delay the actual deletion of
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
463 # the file for as long as the file is held open. The filename is blocked
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
464 # during that time and cannot be used for recreating a new file under
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
465 # that same name ("zombie file"). Directories containing such zombie files
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
466 # cannot be removed or moved.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
467 # A file that has been opened with posixfile can be renamed, so we rename
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
468 # f to a random temporary name before calling os.unlink on it. This allows
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
469 # callers to recreate f immediately while having other readers do their
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
470 # implicit zombie filename blocking on a temporary name.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
471
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
472 for tries in xrange(10):
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
473 temp = '%s-%08x' % (f, random.randint(0, 0xffffffff))
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
474 try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
475 os.rename(f, temp) # raises OSError EEXIST if temp exists
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
476 break
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 24652
diff changeset
477 except OSError as e:
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
478 if e.errno != errno.EEXIST:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
479 raise
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
480 else:
18175
fd3f8b87b682 win32: clean up use of two-argument raise
Augie Fackler <raf@durin42.com>
parents: 17428
diff changeset
481 raise IOError(errno.EEXIST, "No usable temporary filename found")
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
482
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
483 try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
484 os.unlink(temp)
13776
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
485 except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
486 # The unlink might have failed because the READONLY attribute may heave
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
487 # been set on the original file. Rename works fine with READONLY set,
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
488 # but not os.unlink. Reset all attributes and try again.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
489 _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
490 try:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
491 os.unlink(temp)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
492 except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
493 # The unlink might have failed due to some very rude AV-Scanners.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
494 # Leaking a tempfile is the lesser evil than aborting here and
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
495 # leaving some potentially serious inconsistencies.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
496 pass
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
497
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
498 def makedir(path, notindexed):
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
499 os.mkdir(path)
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
500 if notindexed:
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
501 _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)